fn main() {
    println!("Hello, Variables!");

    // const SECONDS: usize = 60 * 60 * 24;

    // let mut x = 5;
    // println!("The value of x is: {}", x);
    // x = SECONDS;
    // println!("The value of x is: {}", x);

    // let x = 5;
    // let x = x + 1;

    // {
    //     let x = x * 2;
    //     println!("The value of x in the inner scope is: {}", x);
    // }

    // println!("The value of x is: {}", x);

    let spaces = "    ";
    let spaces = spaces.len();

    println!("The value of spaces is: {}", spaces);
}
